/usr/bin/pg_test_fsync

From postgresql-15 15.6-r5 (os), captured 2026-11-05 by running pg_test_fsync --help (exit 0). permalink

Usage: pg_test_fsync [-f FILENAME] [-s SECS-PER-TEST]

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.